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LUCKY_DIMON [66]
3 years ago
12

F(x)=3x^2-4 and g(x)=x+2 find f-g (x)

Mathematics
1 answer:
ratelena [41]3 years ago
3 0

Answer:

<h2>(f - g)(x) = 3x^2 - x - 2</h2>

Step-by-step explanation:

Here we subtract  g(x)=x+2 from f(x)=3x^2-4

Properly labeled, we get:

(f - g)(x) = 3x^2-4 - (x+2)    (Use of parentheses is essential here.)

or

(f - g)(x) = 3x^2 - x - 2

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Write an equation for the nth term of<br> the arithmetic sequence: <br> 15,28,41 ....
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Answer:

The equation for the nth term of  the given arithmetic sequence is: \mathbf{a_n=13n+22}

Step-by-step explanation:

We need to write an equation for the nth term of  the arithmetic sequence:

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The equation for arithmetic sequence is: a_n=a_1+(n-1)d

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We can find common difference using the formula:

a_n=a_1+(n-1)d\\Put\: n=2, a_2=28\: and\: a_1=15\\a_2=a_1+(2-1)d\\28=15+d\\d=28-15\\d=13

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a_n=a_1+(n-1)d\\Put\:a_1=15, d=13\\a_n=15+(n-1)13\\Solving:\\a_n=15+13n-13\\a_n=13n+2

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3 years ago
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